/*----------------------------------------------------------------------------
 * Copyright (c) <2016-2018>, <Huawei Technologies Co., Ltd>
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 * of conditions and the following disclaimer in the documentation and/or other materials
 * provided with the distribution.
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific prior written
 * permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *---------------------------------------------------------------------------*/
 /*----------------------------------------------------------------------------
 * Notice of Export Control Law
 * ===============================================
 * Huawei LiteOS may be subject to applicable export control laws and regulations, which might
 * include those applicable to Huawei LiteOS of U.S. and the country in which you are located.
 * Import, export and usage of Huawei LiteOS in any manner by you shall be in compliance with such
 * applicable export control laws and regulations.
 *---------------------------------------------------------------------------*/

#include "los_hwi.h"
#include "los_typedef.h"
#include "los_api_interrupt.h"
#include "los_inspect_entry.h"
#include "gd32vf103.h"
#include "gd32v103v_eval.h"
#include "gd32v103v_lcd_eval.h"
#include "gd32vf103_eclic.h"
//#include "gd32vf103_exti.h"

#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cpluscplus */
#endif /* __cpluscplus */

#if (LOSCFG_PLATFORM_HWI == YES)

static VOID Example_Exti0_Init(VOID)
{
    /*add your IRQ init code here*/
	/* enable the global interrupt */
	//eclic_global_interrupt_enable();
	eclic_priority_group_set(ECLIC_PRIGROUP_LEVEL3_PRIO1);
	/* enable the KEY_B clock */
	rcu_periph_clock_enable(RCU_GPIOD);
	rcu_periph_clock_enable(RCU_GPIOC);
	rcu_periph_clock_enable(RCU_AF);
	/* configure button pin as input */
	gpio_init(GPIOD, GPIO_MODE_IPD, GPIO_OSPEED_50MHZ, GPIO_PIN_2);
	gpio_init(GPIOC, GPIO_MODE_IPD, GPIO_OSPEED_50MHZ, GPIO_PIN_12);
	/* connect key EXTI line to key GPIO pin */
	gpio_exti_source_select(GPIO_PORT_SOURCE_GPIOD, GPIO_PIN_SOURCE_2);
	/* configure key EXTI line */
	exti_init(EXTI_2, EXTI_INTERRUPT, EXTI_TRIG_RISING);
	exti_interrupt_flag_clear(EXTI_2);
	return;
}

static VOID User_IRQHandler(VOID)
{
	gpio_bit_write(GPIOC, GPIO_PIN_12, 0);//D2 down
    dprintf("\r\nUser Interrupt entry!\r\n");
    LOS_InspectStatusSetByID(LOS_INSPECT_INTERRUPT, LOS_INSPECT_STU_SUCCESS);
    if(RESET != exti_interrupt_flag_get(EXTI_2)) {
    	exti_interrupt_flag_clear(EXTI_2);
    }
    return;
}

UINT32 Example_Interrupt(VOID)
{
    UINTPTR uvIntSave;
    uvIntSave = LOS_IntLock();

    Example_Exti0_Init();
	gpio_bit_write(GPIOC, GPIO_PIN_12, 1);//D2 up
    dprintf("Power on the D2 please ...\r\n");
    //LOS_HwiCreate(6, 0, 0, User_IRQHandler, 0);//create interrupt
    LOS_HwiCreate(EXTI2_IRQn, 1, 0, User_IRQHandler, 0);//create interrupt
    LOS_IntRestore(uvIntSave);

    return LOS_OK;
}
#endif

#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cpluscplus */
#endif /* __cpluscplus */
